Choosing the best small RV heater is essential for enjoyable camping and travel experiences during colder months. This guide reviews top heaters and hot water systems tailored for compact RV spaces, focusing on efficiency, power, and safety features. Included is a handy comparison table to help you quickly identify key features and suitability for your needs.
| Product Name | Brand | Type | Heat Output | Special Features |
|---|---|---|---|---|
| Caframo True North Heater | Caframo | Electric Space Heater | Variable up to high output | Built-in thermostat, antifreeze mode, quiet operation |
| FOGATTI InstaShower 7 Tankless Water Heater | FOGATTI | Tankless Water Heater | 48,000 BTU | Multiple door sizes, altitudinal use, staged combustion |
| GIRARD Tankless RV Water Heater | GIRARD | Tankless Water Heater | 42,000 BTU | Onboard microprocessor, freeze protection, efficient LP consumption |
| Ficstar 15FT Heated Water Hose | Ficstar | Heated Water Hose | Not applicable | Thermostat controlled, leak-proof, BPA-free |
| Ranein 65,000 BTU RV Tankless Water Heater | Ranein | Tankless Water Heater | 65,000 BTU | Multi-function controller, high altitude available, instant hot water |
Caframo True North Heater – Compact, Quiet, and Powerful
The Caframo True North Heater is a rugged electric unit ideal for warming small RV spaces. It offers five selectable heat settings ranging from steady baseline warmth to maximum high output for efficient circulation. Featuring a built-in adjustable thermostat, this heater ensures precise temperature control, helping you stay comfortable without wasting energy. Its anti-freeze mode activates automatically when temperatures drop below 38°F, protecting your RV from freezing conditions during storage or travel.
Constructed with a solid steel housing, it combines durability with a low-profile design, making it easy to pack away. Its quiet operation keeps noise distractions to a minimum, an important feature for peaceful travels or work environments within an RV.
FOGATTI InstaShower 7 RV Tankless Water Heater
FOGATTI’s InstaShower 7 replaces standard RV water heaters with a tankless design delivering instant hot water at 48,000 BTU and 2.5 gallons per minute flow. Featuring three door size options (15″x15″, 15″x18″, 18″x18″) in black or white, it easily retrofits many RVs as a direct substitute for electric or tank models. The heater’s staged combustion technology prevents cold spots and scalding by maintaining stable temperatures throughout usage.
Another advantage is its high-altitude setting for up to 9,800 feet, ensuring reliable performance regardless of elevation. Energy savings come from the tankless operation which fires only when hot water is demanded. This makes it ideal for families needing consistent hot water without standby energy loss.
GIRARD 12V Tankless RV Water Heater With Digital Control
The GIRARD Tankless Water Heater offers 42,000 BTUs of continuous hot water at very low power consumption with a quiet brushless motor operating under 3 amps. Its onboard microprocessor adjusts water flow and temperature in real-time, preventing scalding or cold spots. The heater maintains steady temperatures, which is important for consistent comfort and safety in an RV environment.
Designed for efficiency, the GIRARD uses about half the LP gas compared to traditional six-gallon tank models, making it economical for extended trips. Installation is straightforward, and freeze protection allows worry-free usage in colder climates.
Ficstar 15FT Heated Water Hose For RVs
While not a heater itself, the Ficstar Heated Water Hose is essential for maintaining hot water flow and preventing freezing outside your RV’s water heater system. This 15-foot heated hose includes a thermostat with self-regulating function, ensuring the hose stays warm down to -45°F. It features leak-proof washers and Teflon tape at both ends for secure connections without drips.
Made from food-grade material, the hose is safe for drinking water and free of harmful chemicals or odors. The updated design encases heated copper wire inside the hose for a sleeker look and enhanced durability, perfect for cold weather camping when freezing risks increase.
Ranein 65,000 BTU High-Altitude RV Tankless Water Heater
Ranein’s high-powered tankless water heater delivers an impressive 65,000 BTU output with a maximum flow rate of 3.9 gallons per minute, ensuring endless hot water for showers and chores. It is compatible with all RV models, replacing older tank water heaters and fitting various door sizes available separately.
Equipped for high altitude use and anti-freeze functions, the heater features a multi-function remote for monitoring gas usage, voltage, and real-time operational stats. The upgraded deep fire row design improves heating efficiency, supplying consistent hot water instantly without waiting for tank storage to warm up.
Buying Guide For Small RV Heaters
Type Of Heater
Electric Space Heaters like the Caframo True North are convenient for supplemental heat without fuel combustion but may require shore power. Tankless Water Heaters operate on LP and provide on-demand hot water without standby heat loss common in tanks. Heated water hoses prevent freezing in water supply lines.
Heat Output And Efficiency
BTU rating indicates heating power — higher BTUs mean faster heating and higher water flow capacity. Choose a heater with adequate BTUs for your RV size and desired comfort level. Tankless models generally offer better fuel efficiency by heating water only as needed, saving energy during travel.
Size And Installation
Small RV heaters must fit limited space and connect to existing utilities easily. Many tankless options include interchangeable door kits compatible with popular RV brands like Suburban and Atwood. Evaluate heater dimensions and available mounting locations before purchase.
Safety Features
Look for heaters with adjustable thermostats, freeze protection, and anti-scald controls to ensure safe operation. Automatic shutoff modes and durable housings also prevent fire hazards or damage during transit.
Altitude Compatibility
If camping or living at higher elevations, consider heaters with altitude adjustment modes that maintain performance and prevent burner issues caused by thinner air.
Noise Levels
Quiet operation is beneficial for sleeping or maintaining a relaxing environment. Electric heaters and models with brushless motors tend to be quieter than combustion heaters.
Additional Accessories
For complete cold-weather preparedness, consider accessories such as anode rods to prevent corrosion in heaters or heated water hoses to keep water flowing freely without freezing.